N-tert-Butyl-7-chloro[1,3]thiazolo[5,4-d]pyrimidin-2-amine → HCID 58095024, compound

HRID 2282329Notes

Reaction equation

[C:1]([NH:5][C:6]1[S:7][C:8]2[N:9]=[CH:10][N:11]=[C:12](Cl)[C:13]=2[N:14]=1)([CH3:4])([CH3:3])[CH3:2].[CH2:16]([N:19]1[CH:23]=[CH:22][N:21]=[C:20]1[C:24]1[S:25][C:26]([Sn](CCCC)(CCCC)CCCC)=[CH:27][C:28]=1[C:29]1[CH:34]=[CH:33][C:32]([Cl:35])=[CH:31][C:30]=1[Cl:36])[CH:17]=[CH2:18]>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.CN(C=O)C>[CH2:16]([N:19]1[CH:23]=[CH:22][N:21]=[C:20]1[C:24]1[S:25][C:26]([C:12]2[C:13]3[N:14]=[C:6]([NH:5][C:1]([CH3:4])([CH3:3])[CH3:2])[S:7][C:8]=3[N:9]=[CH:10][N:11]=2)=[CH:27][C:28]=1[C:29]1[CH:34]=[CH:33][C:32]([Cl:35])=[CH:31][C:30]=1[Cl:36])[CH:17]=[CH2:18]

Participants

Conditions

Temperature: 100 °C

Procedure

A mixture of tert-Butyl-(7-chlorothiazolo[5,4-d]pyrimidin-2-yl)-amine (1.00 g, 4.12 mmol), 1-allyl-2-[3-(2,4-dichlorophenyl)-5-(tributylstannyl)-2-thienyl]-1H-imidazole (1.71 g, 2.75 mmol) and DMF (23 mL) was stirred and degassed with vacuum. The atmosphere was replaced with nitrogen and then bis(triphenylphosphine)palladium(II) chloride (96.4 mg, 0.137 mmol) was added to the mixture. The orange solution was heated at 100° C. for 3 hours and the mixture was allowed to cool to rt. Column chromatography was performed to yield the title compound (1.12 g, 75%) as a pale yellow solid. LCMS: (FA) ES+ 541, 543. 1H NMR (400 MHz, d6-DMSO) δ; 8.73 (bs, 1H), 8.65 (bs, 1H), 8.56 (bs, 1H), 7.75 (d, J=2.5 Hz, 1H), 7.38 (dd, J=8.5, 2.5 Hz, 1H), 7.21 (d, J=1.3 Hz, 1H), 7.12 (d, J=8.5 Hz, 1H), 7.05 (d, J=1.3 Hz, 1H), 5.64-5.55 (m, 1H), 5.06-5.03 (m, 1H), 4.84-4.79 (m, 1H), 4.31-4.27 (m, 2H), 1.49 (s, 9H).

Workup

customdegassed with vacuum
temperatureto cool to rt

Sources & evidence

ORD record: ord-e06b7c6e05514d5cb1f56579d954e770
Source dataset: uspto-grants-2015_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09139589B2

Reaction notes

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